Measuring some 100 meters (328 feet) high, 500 meters (1,640 feet) long, and 400 meters (1,312 feet) wide, it is described by Chinese officials as being “the world’s largest standalone structure”. To give you a sense of that space, the mall contains roughly 420 acres of floor space, which is almost the same area as the principality of Monaco. To put it another way, the mall could fit three Pentagons…